Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4820061 | Rolling bearing assembly A rolling bearing assembly for mounting a shaft or similar member which has a housing encircling the shaft with at least one rolling bearing installed between two securing rings. The assembly consists of an outer and an inner race and at least one row of ... | 04/11/1989 |
| 4799807 | Rolling bearing with rolling retainers A rolling bearing in which a plurality of rolling members are interposed between an outer race and an inner race, further comprising: a plurality of generally cylindrical rolling retainers, one disposed between each adjacent pair of the rolling members to... | 01/24/1989 |
| 4797013 | Compact ferrofluidic electrically conducting sealed bearing A sealed, rolling element bearing includes an inner race attached to a shaft, an outer race attached to a housing, a plurality of rolling elements in an annular region and a pair of shields extending inwardly from the outer race toward the inner race so a... | 01/10/1989 |
| 4784500 | Hub lubrication system A hub-axle assembly (10) and lubrication system thereof includes a spindle (11) having an inner end (12) and outer end (15) with inner (13) and outer (14) bearing assemblies spaced axially on the spindle (11). A hub body (16) is rotatably supported on the... | 11/15/1988 |
| 4778285 | External lubricant reservoir for joints and bearings An external lubricant reservoir of the type that is replenished by injection is provided in the form of a flexible membrane sealed to a lubricant distributor. The lubricant distributor consists of a membrane-mounting disk and a lubricant feed tube. The fe... | 10/18/1988 |
| 4712442 | Lubricating mechanism for a rotary machine A lubricating mechanism for a rotary machine, such as a Roots blower, of the class having a pair of vertically spaced parallel shafts (20, 22) which are rotated in synchronization with each other by a pair of meshing gears (36, 38) and are provided with b... | 12/15/1987 |
| 4643593 | Assembly for lubricating thrust bearings of machines The rotor of a thrust bearing for the horizontal shaft of a centrifugal pump is installed in a housing which is mounted in an oil-containing vessel and has an inlet below and an outlet above the oil level. The peripheral surface of the rotor has a groove ... | 02/17/1987 |
| 4597679 | Apparatus for lubricating a bearing assembly A shaft is rotatably journalled in a bearing assembly. The shaft has a sleeve fixed thereon at a location axially adjacent to the bearing assembly, and a ring depends from the sleeve into a supply of liquid lubricant contained in an underlying sump. Rotat... | 07/01/1986 |
| 4577980 | Anti-friction bearing unit of a synthetic resin processing machine An anti-friction bearing unit for a machine processing synthetic resin, and more specially one for the processing of scrap resin material at high pressures and temperatures, has rolling bodies placed between inner and outer running faces. The space betwee... | 03/25/1986 |
| 4563605 | Damping device for rotary stepping motor A vibration damper for a rotary stepping motor consists of an inertial mass connectible to the shaft of the motor through a viscous coupling comprising a standard rolling element bearing unit filled with a high viscosity material such as a silicone compou... | 01/07/1986 |
| 4549822 | Apparatus to distribute a highly-pressurized fluid medium A distributor is disclosed wherein a stator receives highly-pressurized fluid from a stationary source and delivers the same to spaced-apart annular reservoirs in a rotor. Bores in the rotor conduct the fluid to a rotating piston and cylinder assembly. Be... | 10/29/1985 |
| 4535661 | Power-driven steady rest for lathes The invention relates to a power-driven steady rest for lathes, especially crankshaft turning machines, having a drive gear encompassing the workpiece, in which there is disposed a chuck for holding the workpiece and which is held on both sides adjacent t... | 08/20/1985 |
| 4509869 | Self-greasing bearing A bearing including inner and outer concentric races, a cage member disposed between the races and having pockets for receiving rolling elements maintained in rolling engagement with the races, seals for preventing the loss of lubricant, and means between... | 04/09/1985 |
| 4468066 | Oil capture scoop A plurality of circumferentially spaced apart oil scoops are designed to capture oil being slung from an inner shaft across an annulus to an outer shaft which rotates in a direction opposite to the inner shaft. The scoops rotate with and are a part of the... | 08/28/1984 |
| 4431318 | Bearing assemblies Thrust bearing assembly comprising an outer shell (1) and an inner shaft (2) rotatable with respect to each other and having respective inner (3) and outer (4) surfaces defining therebetween an annular space in which is disposed a plurality of rollers, pr... | 02/14/1984 |
| 4429924 | Pressure-lubricated automotive-type alternator To provide for effective lubrication of a vehicular-type alternator, the bearings (2, 4) positioned at the respective end plates (1, 5) are pressure-lubricated. An oil pressure supply duct (21) is directed towards the rear bearing (4) which is positioned ... | 02/07/1984 |
| 4289360 | Bearing damper system Apparatus for supporting a rotating member such as a shaft associated with a gas turbine engine, is provided wherein the relative movement between a bearing assembly and a bearing support is prevented during a first mode of operation wherein the rotating ... | 09/15/1981 |
| 4116500 | Elongated machine element spherical end A machine element such as a bearing, has a shaft with a spherical end. The spherical end is formed by a metal ball, such as a ball bearing, the ball being held in a hollow metal cylindrical casing. The casing has an inner diameter substantially equal to t... | 09/26/1978 |
| 4043616 | Bearing cartridge assembly A bearing cartridge assembly or conveyor rolls or the like comprises a bearing structure, a fluid lubricant containing particles of magnetizable material disposed within the bearing, and permanent magnet lubricating means disposed adjacent the bearing ele... | 08/23/1977 |
| 3932006 | Paddle shaft seal assembly A triple seal and spacer means within a multi-part seal housing, including a sealed bearing unit which supports and protects the end of a driven shaft extending outside one peripheral end wall of a container through which the driven shaft passes. Suitable... | 01/13/1976 |
